Republican presidential candidate and TV personality Donald Trump arrives by escalator to the tune of "Rockin' In The Free World." Musician Neil Young did not approve of his song choice. Brendan McDermid /Reuters /Landov hide caption itoggle caption Brendan McDermid /Reuters /Landov It's All Politics Trump's Campaign Theme Song Headache? Blame Michael Jackson, Sort Of July 5, 2015 Candidates keep getting in trouble for picking theme songs without getting approval from the artist. You can trace this back to changes in both campaigning and the way companies sell products.